Tight top mattress foundation



FIG. 1 is a perspective view of the tight top mattress foundation.

FIG. 2 is a side view of the tight top mattress foundation of FIG. 1, which is identical to the opposite side view thereof.

FIG. 3 is an end view of the tight top mattress foundation of FIG. 1, which is identical to the opposite end view thereof.

FIG. 4 is a top view of the tight top mattress foundation of FIG. 1; and,

FIG. 5 is a bottom view of the tight top mattress foundation of FIG. 1. 

The ornamental designs for a tight top mattress foundation, as shown and described. 